511655560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{51787}}^1$

素因数の和:51830

約数の個数: 64

約数和(自身を含む): 1305057600

約数和(自身を除く): 793402040

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 51787, 103574, 207148, 258935, 414296, 517870, 673231, 983953, 1035740, 1346462, 1967906, 2071480, 2692924, 3366155, 3935812, 4919765, 5385848, 6732310, 7871624, 9839530, 12791389, 13464620, 19679060, 25582778, 26929240, 39358120, 51165556, 63956945, 102331112, 127913890, 255827780, 511655560]

約数ペア:

[(1, 511655560), (2, 255827780), (4, 127913890), (5, 102331112), (8, 63956945), (10, 51165556), (13, 39358120), (19, 26929240), (20, 25582778), (26, 19679060), (38, 13464620), (40, 12791389), (52, 9839530), (65, 7871624), (76, 6732310), (95, 5385848), (104, 4919765), (130, 3935812), (152, 3366155), (190, 2692924), (247, 2071480), (260, 1967906), (380, 1346462), (494, 1035740), (520, 983953), (760, 673231), (988, 517870), (1235, 414296), (1976, 258935), (2470, 207148), (4940, 103574), (9880, 51787)]