28179640840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{53077}}^1$

素因数の和:54122

約数の個数: 64

約数和(自身を含む): 68349602160

約数和(自身を除く): 40169961320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1021, 2042, 4084, 5105, 8168, 10210, 13273, 20420, 26546, 40840, 53077, 53092, 66365, 106154, 106184, 132730, 212308, 265385, 265460, 424616, 530770, 530920, 690001, 1061540, 1380002, 2123080, 2760004, 3450005, 5520008, 6900010, 13800020, 27600040, 54191617, 108383234, 216766468, 270958085, 433532936, 541916170, 704491021, 1083832340, 1408982042, 2167664680, 2817964084, 3522455105, 5635928168, 7044910210, 14089820420, 28179640840]

約数ペア:

[(1, 28179640840), (2, 14089820420), (4, 7044910210), (5, 5635928168), (8, 3522455105), (10, 2817964084), (13, 2167664680), (20, 1408982042), (26, 1083832340), (40, 704491021), (52, 541916170), (65, 433532936), (104, 270958085), (130, 216766468), (260, 108383234), (520, 54191617), (1021, 27600040), (2042, 13800020), (4084, 6900010), (5105, 5520008), (8168, 3450005), (10210, 2760004), (13273, 2123080), (20420, 1380002), (26546, 1061540), (40840, 690001), (53077, 530920), (53092, 530770), (66365, 424616), (106154, 265460), (106184, 265385), (132730, 212308)]