38578840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 89681760

約数和(自身を除く): 51102920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 97, 122, 163, 194, 244, 305, 326, 388, 485, 488, 610, 652, 776, 815, 970, 1220, 1304, 1630, 1940, 2440, 3260, 3880, 5917, 6520, 9943, 11834, 15811, 19886, 23668, 29585, 31622, 39772, 47336, 49715, 59170, 63244, 79055, 79544, 99430, 118340, 126488, 158110, 198860, 236680, 316220, 397720, 632440, 964471, 1928942, 3857884, 4822355, 7715768, 9644710, 19289420, 38578840]

約数ペア:

[(1, 38578840), (2, 19289420), (4, 9644710), (5, 7715768), (8, 4822355), (10, 3857884), (20, 1928942), (40, 964471), (61, 632440), (97, 397720), (122, 316220), (163, 236680), (194, 198860), (244, 158110), (305, 126488), (326, 118340), (388, 99430), (485, 79544), (488, 79055), (610, 63244), (652, 59170), (776, 49715), (815, 47336), (970, 39772), (1220, 31622), (1304, 29585), (1630, 23668), (1940, 19886), (2440, 15811), (3260, 11834), (3880, 9943), (5917, 6520)]