64574860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14879}}^1$

素因数の和:14926

約数の個数: 48

約数和(自身を含む): 159989760

約数和(自身を除く): 95414900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 14879, 29758, 59516, 74395, 104153, 148790, 208306, 297580, 416612, 461249, 520765, 922498, 1041530, 1844996, 2083060, 2306245, 3228743, 4612490, 6457486, 9224980, 12914972, 16143715, 32287430, 64574860]

約数ペア:

[(1, 64574860), (2, 32287430), (4, 16143715), (5, 12914972), (7, 9224980), (10, 6457486), (14, 4612490), (20, 3228743), (28, 2306245), (31, 2083060), (35, 1844996), (62, 1041530), (70, 922498), (124, 520765), (140, 461249), (155, 416612), (217, 297580), (310, 208306), (434, 148790), (620, 104153), (868, 74395), (1085, 59516), (2170, 29758), (4340, 14879)]