64687960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70313}}^1$

素因数の和:70347

約数の個数: 32

約数和(自身を含む): 151878240

約数和(自身を除く): 87190280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 70313, 140626, 281252, 351565, 562504, 703130, 1406260, 1617199, 2812520, 3234398, 6468796, 8085995, 12937592, 16171990, 32343980, 64687960]

約数ペア:

[(1, 64687960), (2, 32343980), (4, 16171990), (5, 12937592), (8, 8085995), (10, 6468796), (20, 3234398), (23, 2812520), (40, 1617199), (46, 1406260), (92, 703130), (115, 562504), (184, 351565), (230, 281252), (460, 140626), (920, 70313)]