65446940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 108

約数和(自身を含む): 160452936

約数和(自身を除く): 95005996

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 67, 68, 85, 130, 134, 169, 170, 221, 260, 268, 289, 335, 338, 340, 442, 578, 670, 676, 845, 871, 884, 1105, 1139, 1156, 1340, 1445, 1690, 1742, 2210, 2278, 2873, 2890, 3380, 3484, 3757, 4355, 4420, 4556, 5695, 5746, 5780, 7514, 8710, 11323, 11390, 11492, 14365, 14807, 15028, 17420, 18785, 19363, 22646, 22780, 28730, 29614, 37570, 38726, 45292, 48841, 56615, 57460, 59228, 74035, 75140, 77452, 96815, 97682, 113230, 148070, 192491, 193630, 195364, 226460, 244205, 251719, 296140, 384982, 387260, 488410, 503438, 769964, 962455, 976820, 1006876, 1258595, 1924910, 2517190, 3272347, 3849820, 5034380, 6544694, 13089388, 16361735, 32723470, 65446940]

約数ペア:

[(1, 65446940), (2, 32723470), (4, 16361735), (5, 13089388), (10, 6544694), (13, 5034380), (17, 3849820), (20, 3272347), (26, 2517190), (34, 1924910), (52, 1258595), (65, 1006876), (67, 976820), (68, 962455), (85, 769964), (130, 503438), (134, 488410), (169, 387260), (170, 384982), (221, 296140), (260, 251719), (268, 244205), (289, 226460), (335, 195364), (338, 193630), (340, 192491), (442, 148070), (578, 113230), (670, 97682), (676, 96815), (845, 77452), (871, 75140), (884, 74035), (1105, 59228), (1139, 57460), (1156, 56615), (1340, 48841), (1445, 45292), (1690, 38726), (1742, 37570), (2210, 29614), (2278, 28730), (2873, 22780), (2890, 22646), (3380, 19363), (3484, 18785), (3757, 17420), (4355, 15028), (4420, 14807), (4556, 14365), (5695, 11492), (5746, 11390), (5780, 11323), (7514, 8710)]