25015120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 38730800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 359, 520, 536, 670, 718, 871, 1040, 1072, 1340, 1436, 1742, 1795, 2680, 2872, 3484, 3590, 4355, 4667, 5360, 5744, 6968, 7180, 8710, 9334, 13936, 14360, 17420, 18668, 23335, 24053, 28720, 34840, 37336, 46670, 48106, 69680, 74672, 93340, 96212, 120265, 186680, 192424, 240530, 312689, 373360, 384848, 481060, 625378, 962120, 1250756, 1563445, 1924240, 2501512, 3126890, 5003024, 6253780, 12507560, 25015120]

約数ペア:

[(1, 25015120), (2, 12507560), (4, 6253780), (5, 5003024), (8, 3126890), (10, 2501512), (13, 1924240), (16, 1563445), (20, 1250756), (26, 962120), (40, 625378), (52, 481060), (65, 384848), (67, 373360), (80, 312689), (104, 240530), (130, 192424), (134, 186680), (208, 120265), (260, 96212), (268, 93340), (335, 74672), (359, 69680), (520, 48106), (536, 46670), (670, 37336), (718, 34840), (871, 28720), (1040, 24053), (1072, 23335), (1340, 18668), (1436, 17420), (1742, 14360), (1795, 13936), (2680, 9334), (2872, 8710), (3484, 7180), (3590, 6968), (4355, 5744), (4667, 5360)]