64224940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13001}}^1$

素因数の和:13042

約数の個数: 48

約数和(自身を含む): 152903520

約数和(自身を除く): 88678580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13001, 26002, 52004, 65005, 130010, 169013, 247019, 260020, 338026, 494038, 676052, 845065, 988076, 1235095, 1690130, 2470190, 3211247, 3380260, 4940380, 6422494, 12844988, 16056235, 32112470, 64224940]

約数ペア:

[(1, 64224940), (2, 32112470), (4, 16056235), (5, 12844988), (10, 6422494), (13, 4940380), (19, 3380260), (20, 3211247), (26, 2470190), (38, 1690130), (52, 1235095), (65, 988076), (76, 845065), (95, 676052), (130, 494038), (190, 338026), (247, 260020), (260, 247019), (380, 169013), (494, 130010), (988, 65005), (1235, 52004), (2470, 26002), (4940, 13001)]