40970840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 105062400

約数和(自身を除く): 64091560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 37, 38, 40, 47, 62, 74, 76, 94, 95, 124, 148, 152, 155, 185, 188, 190, 235, 248, 296, 310, 370, 376, 380, 470, 589, 620, 703, 740, 760, 893, 940, 1147, 1178, 1240, 1406, 1457, 1480, 1739, 1786, 1880, 2294, 2356, 2812, 2914, 2945, 3478, 3515, 3572, 4465, 4588, 4712, 5624, 5735, 5828, 5890, 6956, 7030, 7144, 7285, 8695, 8930, 9176, 11470, 11656, 11780, 13912, 14060, 14570, 17390, 17860, 21793, 22940, 23560, 27683, 28120, 29140, 33041, 34780, 35720, 43586, 45880, 53909, 55366, 58280, 66082, 69560, 87172, 107818, 108965, 110732, 132164, 138415, 165205, 174344, 215636, 217930, 221464, 264328, 269545, 276830, 330410, 431272, 435860, 539090, 553660, 660820, 871720, 1024271, 1078180, 1107320, 1321640, 2048542, 2156360, 4097084, 5121355, 8194168, 10242710, 20485420, 40970840]

約数ペア:

[(1, 40970840), (2, 20485420), (4, 10242710), (5, 8194168), (8, 5121355), (10, 4097084), (19, 2156360), (20, 2048542), (31, 1321640), (37, 1107320), (38, 1078180), (40, 1024271), (47, 871720), (62, 660820), (74, 553660), (76, 539090), (94, 435860), (95, 431272), (124, 330410), (148, 276830), (152, 269545), (155, 264328), (185, 221464), (188, 217930), (190, 215636), (235, 174344), (248, 165205), (296, 138415), (310, 132164), (370, 110732), (376, 108965), (380, 107818), (470, 87172), (589, 69560), (620, 66082), (703, 58280), (740, 55366), (760, 53909), (893, 45880), (940, 43586), (1147, 35720), (1178, 34780), (1240, 33041), (1406, 29140), (1457, 28120), (1480, 27683), (1739, 23560), (1786, 22940), (1880, 21793), (2294, 17860), (2356, 17390), (2812, 14570), (2914, 14060), (2945, 13912), (3478, 11780), (3515, 11656), (3572, 11470), (4465, 9176), (4588, 8930), (4712, 8695), (5624, 7285), (5735, 7144), (5828, 7030), (5890, 6956)]