21774560

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 55121472

約数和(自身を除く): 33346912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 61, 80, 92, 97, 115, 122, 160, 184, 194, 230, 244, 305, 368, 388, 460, 485, 488, 610, 736, 776, 920, 970, 976, 1220, 1403, 1552, 1840, 1940, 1952, 2231, 2440, 2806, 3104, 3680, 3880, 4462, 4880, 5612, 5917, 7015, 7760, 8924, 9760, 11155, 11224, 11834, 14030, 15520, 17848, 22310, 22448, 23668, 28060, 29585, 35696, 44620, 44896, 47336, 56120, 59170, 71392, 89240, 94672, 112240, 118340, 136091, 178480, 189344, 224480, 236680, 272182, 356960, 473360, 544364, 680455, 946720, 1088728, 1360910, 2177456, 2721820, 4354912, 5443640, 10887280, 21774560]

約数ペア:

[(1, 21774560), (2, 10887280), (4, 5443640), (5, 4354912), (8, 2721820), (10, 2177456), (16, 1360910), (20, 1088728), (23, 946720), (32, 680455), (40, 544364), (46, 473360), (61, 356960), (80, 272182), (92, 236680), (97, 224480), (115, 189344), (122, 178480), (160, 136091), (184, 118340), (194, 112240), (230, 94672), (244, 89240), (305, 71392), (368, 59170), (388, 56120), (460, 47336), (485, 44896), (488, 44620), (610, 35696), (736, 29585), (776, 28060), (920, 23668), (970, 22448), (976, 22310), (1220, 17848), (1403, 15520), (1552, 14030), (1840, 11834), (1940, 11224), (1952, 11155), (2231, 9760), (2440, 8924), (2806, 7760), (3104, 7015), (3680, 5917), (3880, 5612), (4462, 4880)]