25613840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:936

約数の個数: 80

約数和(自身を含む): 69424128

約数和(自身を除く): 43810288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 863, 1060, 1484, 1726, 1855, 2120, 2968, 3452, 3710, 4240, 4315, 5936, 6041, 6904, 7420, 8630, 12082, 13808, 14840, 17260, 24164, 29680, 30205, 34520, 45739, 48328, 60410, 69040, 91478, 96656, 120820, 182956, 228695, 241640, 320173, 365912, 457390, 483280, 640346, 731824, 914780, 1280692, 1600865, 1829560, 2561384, 3201730, 3659120, 5122768, 6403460, 12806920, 25613840]

約数ペア:

[(1, 25613840), (2, 12806920), (4, 6403460), (5, 5122768), (7, 3659120), (8, 3201730), (10, 2561384), (14, 1829560), (16, 1600865), (20, 1280692), (28, 914780), (35, 731824), (40, 640346), (53, 483280), (56, 457390), (70, 365912), (80, 320173), (106, 241640), (112, 228695), (140, 182956), (212, 120820), (265, 96656), (280, 91478), (371, 69040), (424, 60410), (530, 48328), (560, 45739), (742, 34520), (848, 30205), (863, 29680), (1060, 24164), (1484, 17260), (1726, 14840), (1855, 13808), (2120, 12082), (2968, 8630), (3452, 7420), (3710, 6904), (4240, 6041), (4315, 5936)]