9968758040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{196081}}^1$

素因数の和:196164

約数の個数: 64

約数和(自身を含む): 23718078720

約数和(自身を除く): 13749320680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 5084, 6355, 10168, 12710, 25420, 50840, 196081, 392162, 784324, 980405, 1568648, 1960810, 3921620, 6078511, 7843240, 8039321, 12157022, 16078642, 24314044, 30392555, 32157284, 40196605, 48628088, 60785110, 64314568, 80393210, 121570220, 160786420, 243140440, 249218951, 321572840, 498437902, 996875804, 1246094755, 1993751608, 2492189510, 4984379020, 9968758040]

約数ペア:

[(1, 9968758040), (2, 4984379020), (4, 2492189510), (5, 1993751608), (8, 1246094755), (10, 996875804), (20, 498437902), (31, 321572840), (40, 249218951), (41, 243140440), (62, 160786420), (82, 121570220), (124, 80393210), (155, 64314568), (164, 60785110), (205, 48628088), (248, 40196605), (310, 32157284), (328, 30392555), (410, 24314044), (620, 16078642), (820, 12157022), (1240, 8039321), (1271, 7843240), (1640, 6078511), (2542, 3921620), (5084, 1960810), (6355, 1568648), (10168, 980405), (12710, 784324), (25420, 392162), (50840, 196081)]