12806920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 20785400

約数列:

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

約数ペア:

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