87640540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 211821120

約数和(自身を除く): 124180580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 113, 130, 157, 190, 226, 247, 260, 314, 380, 452, 494, 565, 628, 785, 988, 1130, 1235, 1469, 1570, 2041, 2147, 2260, 2470, 2938, 2983, 3140, 4082, 4294, 4940, 5876, 5966, 7345, 8164, 8588, 10205, 10735, 11932, 14690, 14915, 17741, 20410, 21470, 27911, 29380, 29830, 35482, 38779, 40820, 42940, 55822, 59660, 70964, 77558, 88705, 111644, 139555, 155116, 177410, 193895, 230633, 279110, 337079, 354820, 387790, 461266, 558220, 674158, 775580, 922532, 1153165, 1348316, 1685395, 2306330, 3370790, 4382027, 4612660, 6741580, 8764054, 17528108, 21910135, 43820270, 87640540]

約数ペア:

[(1, 87640540), (2, 43820270), (4, 21910135), (5, 17528108), (10, 8764054), (13, 6741580), (19, 4612660), (20, 4382027), (26, 3370790), (38, 2306330), (52, 1685395), (65, 1348316), (76, 1153165), (95, 922532), (113, 775580), (130, 674158), (157, 558220), (190, 461266), (226, 387790), (247, 354820), (260, 337079), (314, 279110), (380, 230633), (452, 193895), (494, 177410), (565, 155116), (628, 139555), (785, 111644), (988, 88705), (1130, 77558), (1235, 70964), (1469, 59660), (1570, 55822), (2041, 42940), (2147, 40820), (2260, 38779), (2470, 35482), (2938, 29830), (2983, 29380), (3140, 27911), (4082, 21470), (4294, 20410), (4940, 17741), (5876, 14915), (5966, 14690), (7345, 11932), (8164, 10735), (8588, 10205)]