38915720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 93571200

約数和(自身を除く): 54655480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 151, 170, 302, 340, 379, 604, 680, 755, 758, 1208, 1510, 1516, 1895, 2567, 3020, 3032, 3790, 5134, 6040, 6443, 7580, 10268, 12835, 12886, 15160, 20536, 25670, 25772, 32215, 51340, 51544, 57229, 64430, 102680, 114458, 128860, 228916, 257720, 286145, 457832, 572290, 972893, 1144580, 1945786, 2289160, 3891572, 4864465, 7783144, 9728930, 19457860, 38915720]

約数ペア:

[(1, 38915720), (2, 19457860), (4, 9728930), (5, 7783144), (8, 4864465), (10, 3891572), (17, 2289160), (20, 1945786), (34, 1144580), (40, 972893), (68, 572290), (85, 457832), (136, 286145), (151, 257720), (170, 228916), (302, 128860), (340, 114458), (379, 102680), (604, 64430), (680, 57229), (755, 51544), (758, 51340), (1208, 32215), (1510, 25772), (1516, 25670), (1895, 20536), (2567, 15160), (3020, 12886), (3032, 12835), (3790, 10268), (5134, 7580), (6040, 6443)]