28649818240

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{352483}}^1$

素因数の和:352629

約数の個数: 64

約数和(自身を含む): 69030466560

約数和(自身を除く): 40380648320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 16256, 20320, 40640, 81280, 352483, 704966, 1409932, 1762415, 2819864, 3524830, 5639728, 7049660, 11279456, 14099320, 22558912, 28198640, 44765341, 45117824, 56397280, 89530682, 112794560, 179061364, 223826705, 225589120, 358122728, 447653410, 716245456, 895306820, 1432490912, 1790613640, 2864981824, 3581227280, 5729963648, 7162454560, 14324909120, 28649818240]

約数ペア:

[(1, 28649818240), (2, 14324909120), (4, 7162454560), (5, 5729963648), (8, 3581227280), (10, 2864981824), (16, 1790613640), (20, 1432490912), (32, 895306820), (40, 716245456), (64, 447653410), (80, 358122728), (127, 225589120), (128, 223826705), (160, 179061364), (254, 112794560), (320, 89530682), (508, 56397280), (635, 45117824), (640, 44765341), (1016, 28198640), (1270, 22558912), (2032, 14099320), (2540, 11279456), (4064, 7049660), (5080, 5639728), (8128, 3524830), (10160, 2819864), (16256, 1762415), (20320, 1409932), (40640, 704966), (81280, 352483)]