325018880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8243

約数の個数: 72

約数和(自身を含む): 803733504

約数和(自身を除く): 478714624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 8191, 9920, 16382, 19840, 32764, 39680, 40955, 65528, 81910, 131056, 163820, 253921, 262112, 327640, 507842, 524224, 655280, 1015684, 1048448, 1269605, 1310560, 2031368, 2096896, 2539210, 2621120, 4062736, 5078420, 5242240, 8125472, 10156840, 10484480, 16250944, 20313680, 32501888, 40627360, 65003776, 81254720, 162509440, 325018880]

約数ペア:

[(1, 325018880), (2, 162509440), (4, 81254720), (5, 65003776), (8, 40627360), (10, 32501888), (16, 20313680), (20, 16250944), (31, 10484480), (32, 10156840), (40, 8125472), (62, 5242240), (64, 5078420), (80, 4062736), (124, 2621120), (128, 2539210), (155, 2096896), (160, 2031368), (248, 1310560), (256, 1269605), (310, 1048448), (320, 1015684), (496, 655280), (620, 524224), (640, 507842), (992, 327640), (1240, 262112), (1280, 253921), (1984, 163820), (2480, 131056), (3968, 81910), (4960, 65528), (7936, 40955), (8191, 39680), (9920, 32764), (16382, 19840)]