8021910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 21111552

約数和(自身を除く): 13089642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 307, 335, 390, 402, 614, 670, 871, 921, 1005, 1535, 1742, 1842, 2010, 2613, 3070, 3991, 4355, 4605, 5226, 7982, 8710, 9210, 11973, 13065, 19955, 20569, 23946, 26130, 39910, 41138, 59865, 61707, 102845, 119730, 123414, 205690, 267397, 308535, 534794, 617070, 802191, 1336985, 1604382, 2673970, 4010955, 8021910]

約数ペア:

[(1, 8021910), (2, 4010955), (3, 2673970), (5, 1604382), (6, 1336985), (10, 802191), (13, 617070), (15, 534794), (26, 308535), (30, 267397), (39, 205690), (65, 123414), (67, 119730), (78, 102845), (130, 61707), (134, 59865), (195, 41138), (201, 39910), (307, 26130), (335, 23946), (390, 20569), (402, 19955), (614, 13065), (670, 11973), (871, 9210), (921, 8710), (1005, 7982), (1535, 5226), (1742, 4605), (1842, 4355), (2010, 3991), (2613, 3070)]