25176840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16139}}^1$

素因数の和:16166

約数の個数: 64

約数和(自身を含む): 81345600

約数和(自身を除く): 56168760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16139, 32278, 48417, 64556, 80695, 96834, 129112, 161390, 193668, 209807, 242085, 322780, 387336, 419614, 484170, 629421, 645560, 839228, 968340, 1049035, 1258842, 1678456, 1936680, 2098070, 2517684, 3147105, 4196140, 5035368, 6294210, 8392280, 12588420, 25176840]

約数ペア:

[(1, 25176840), (2, 12588420), (3, 8392280), (4, 6294210), (5, 5035368), (6, 4196140), (8, 3147105), (10, 2517684), (12, 2098070), (13, 1936680), (15, 1678456), (20, 1258842), (24, 1049035), (26, 968340), (30, 839228), (39, 645560), (40, 629421), (52, 484170), (60, 419614), (65, 387336), (78, 322780), (104, 242085), (120, 209807), (130, 193668), (156, 161390), (195, 129112), (260, 96834), (312, 80695), (390, 64556), (520, 48417), (780, 32278), (1560, 16139)]