51608440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1712

約数の個数: 64

約数和(自身を含む): 127179360

約数和(自身を除く): 75570920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 1627, 2440, 3172, 3254, 3965, 6344, 6508, 7930, 8135, 13016, 15860, 16270, 21151, 31720, 32540, 42302, 65080, 84604, 99247, 105755, 169208, 198494, 211510, 396988, 423020, 496235, 793976, 846040, 992470, 1290211, 1984940, 2580422, 3969880, 5160844, 6451055, 10321688, 12902110, 25804220, 51608440]

約数ペア:

[(1, 51608440), (2, 25804220), (4, 12902110), (5, 10321688), (8, 6451055), (10, 5160844), (13, 3969880), (20, 2580422), (26, 1984940), (40, 1290211), (52, 992470), (61, 846040), (65, 793976), (104, 496235), (122, 423020), (130, 396988), (244, 211510), (260, 198494), (305, 169208), (488, 105755), (520, 99247), (610, 84604), (793, 65080), (1220, 42302), (1586, 32540), (1627, 31720), (2440, 21151), (3172, 16270), (3254, 15860), (3965, 13016), (6344, 8135), (6508, 7930)]