26022020

素因数分解:

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

素因数の和:153

約数の個数: 72

約数和(自身を含む): 60668160

約数和(自身を除く): 34646140

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 47, 62, 76, 94, 95, 124, 155, 188, 190, 235, 310, 380, 470, 589, 620, 893, 940, 1178, 1457, 1786, 2209, 2356, 2914, 2945, 3572, 4418, 4465, 5828, 5890, 7285, 8836, 8930, 11045, 11780, 14570, 17860, 22090, 27683, 29140, 41971, 44180, 55366, 68479, 83942, 110732, 136958, 138415, 167884, 209855, 273916, 276830, 342395, 419710, 553660, 684790, 839420, 1301101, 1369580, 2602202, 5204404, 6505505, 13011010, 26022020]

約数ペア:

[(1, 26022020), (2, 13011010), (4, 6505505), (5, 5204404), (10, 2602202), (19, 1369580), (20, 1301101), (31, 839420), (38, 684790), (47, 553660), (62, 419710), (76, 342395), (94, 276830), (95, 273916), (124, 209855), (155, 167884), (188, 138415), (190, 136958), (235, 110732), (310, 83942), (380, 68479), (470, 55366), (589, 44180), (620, 41971), (893, 29140), (940, 27683), (1178, 22090), (1457, 17860), (1786, 14570), (2209, 11780), (2356, 11045), (2914, 8930), (2945, 8836), (3572, 7285), (4418, 5890), (4465, 5828)]