89766640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 222976800

約数和(自身を除く): 133210160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 292, 304, 365, 380, 584, 730, 760, 809, 1168, 1387, 1460, 1520, 1618, 2774, 2920, 3236, 4045, 5548, 5840, 6472, 6935, 8090, 11096, 12944, 13870, 15371, 16180, 22192, 27740, 30742, 32360, 55480, 59057, 61484, 64720, 76855, 110960, 118114, 122968, 153710, 236228, 245936, 295285, 307420, 472456, 590570, 614840, 944912, 1122083, 1181140, 1229680, 2244166, 2362280, 4488332, 4724560, 5610415, 8976664, 11220830, 17953328, 22441660, 44883320, 89766640]

約数ペア:

[(1, 89766640), (2, 44883320), (4, 22441660), (5, 17953328), (8, 11220830), (10, 8976664), (16, 5610415), (19, 4724560), (20, 4488332), (38, 2362280), (40, 2244166), (73, 1229680), (76, 1181140), (80, 1122083), (95, 944912), (146, 614840), (152, 590570), (190, 472456), (292, 307420), (304, 295285), (365, 245936), (380, 236228), (584, 153710), (730, 122968), (760, 118114), (809, 110960), (1168, 76855), (1387, 64720), (1460, 61484), (1520, 59057), (1618, 55480), (2774, 32360), (2920, 30742), (3236, 27740), (4045, 22192), (5548, 16180), (5840, 15371), (6472, 13870), (6935, 12944), (8090, 11096)]