163913360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^2$

素因数の和:820

約数の個数: 60

約数和(自身を含む): 411450228

約数和(自身を除く): 247536868

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 397, 520, 794, 1040, 1588, 1985, 3176, 3970, 5161, 6352, 7940, 10322, 15880, 20644, 25805, 31760, 41288, 51610, 82576, 103220, 157609, 206440, 315218, 412880, 630436, 788045, 1260872, 1576090, 2048917, 2521744, 3152180, 4097834, 6304360, 8195668, 10244585, 12608720, 16391336, 20489170, 32782672, 40978340, 81956680, 163913360]

約数ペア:

[(1, 163913360), (2, 81956680), (4, 40978340), (5, 32782672), (8, 20489170), (10, 16391336), (13, 12608720), (16, 10244585), (20, 8195668), (26, 6304360), (40, 4097834), (52, 3152180), (65, 2521744), (80, 2048917), (104, 1576090), (130, 1260872), (208, 788045), (260, 630436), (397, 412880), (520, 315218), (794, 206440), (1040, 157609), (1588, 103220), (1985, 82576), (3176, 51610), (3970, 41288), (5161, 31760), (6352, 25805), (7940, 20644), (10322, 15880)]