84978400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8171}}^1$

素因数の和:8204

約数の個数: 72

約数和(自身を含む): 223438824

約数和(自身を除く): 138460424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 8171, 10400, 16342, 32684, 40855, 65368, 81710, 106223, 130736, 163420, 204275, 212446, 261472, 326840, 408550, 424892, 531115, 653680, 817100, 849784, 1062230, 1307360, 1634200, 1699568, 2124460, 2655575, 3268400, 3399136, 4248920, 5311150, 6536800, 8497840, 10622300, 16995680, 21244600, 42489200, 84978400]

約数ペア:

[(1, 84978400), (2, 42489200), (4, 21244600), (5, 16995680), (8, 10622300), (10, 8497840), (13, 6536800), (16, 5311150), (20, 4248920), (25, 3399136), (26, 3268400), (32, 2655575), (40, 2124460), (50, 1699568), (52, 1634200), (65, 1307360), (80, 1062230), (100, 849784), (104, 817100), (130, 653680), (160, 531115), (200, 424892), (208, 408550), (260, 326840), (325, 261472), (400, 212446), (416, 204275), (520, 163420), (650, 130736), (800, 106223), (1040, 81710), (1300, 65368), (2080, 40855), (2600, 32684), (5200, 16342), (8171, 10400)]