63789940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 139474944

約数和(自身を除く): 75685004

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 751, 1370, 1502, 2740, 3004, 3755, 4247, 7510, 8494, 15020, 16988, 21235, 23281, 42470, 46562, 84940, 93124, 102887, 116405, 205774, 232810, 411548, 465620, 514435, 1028870, 2057740, 3189497, 6378994, 12757988, 15947485, 31894970, 63789940]

約数ペア:

[(1, 63789940), (2, 31894970), (4, 15947485), (5, 12757988), (10, 6378994), (20, 3189497), (31, 2057740), (62, 1028870), (124, 514435), (137, 465620), (155, 411548), (274, 232810), (310, 205774), (548, 116405), (620, 102887), (685, 93124), (751, 84940), (1370, 46562), (1502, 42470), (2740, 23281), (3004, 21235), (3755, 16988), (4247, 15020), (7510, 8494)]