26883820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 58899456

約数和(自身を除く): 32015636

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 331, 524, 620, 655, 662, 1310, 1324, 1655, 2620, 3310, 4061, 6620, 8122, 10261, 16244, 20305, 20522, 40610, 41044, 43361, 51305, 81220, 86722, 102610, 173444, 205220, 216805, 433610, 867220, 1344191, 2688382, 5376764, 6720955, 13441910, 26883820]

約数ペア:

[(1, 26883820), (2, 13441910), (4, 6720955), (5, 5376764), (10, 2688382), (20, 1344191), (31, 867220), (62, 433610), (124, 216805), (131, 205220), (155, 173444), (262, 102610), (310, 86722), (331, 81220), (524, 51305), (620, 43361), (655, 41044), (662, 40610), (1310, 20522), (1324, 20305), (1655, 16244), (2620, 10261), (3310, 8122), (4061, 6620)]