140670920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15913}}^1$

素因数の和:15954

約数の個数: 64

約数和(自身を含む): 360929520

約数和(自身を除く): 220258600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 15913, 31826, 63652, 79565, 127304, 159130, 206869, 270521, 318260, 413738, 541042, 636520, 827476, 1034345, 1082084, 1352605, 1654952, 2068690, 2164168, 2705210, 3516773, 4137380, 5410420, 7033546, 8274760, 10820840, 14067092, 17583865, 28134184, 35167730, 70335460, 140670920]

約数ペア:

[(1, 140670920), (2, 70335460), (4, 35167730), (5, 28134184), (8, 17583865), (10, 14067092), (13, 10820840), (17, 8274760), (20, 7033546), (26, 5410420), (34, 4137380), (40, 3516773), (52, 2705210), (65, 2164168), (68, 2068690), (85, 1654952), (104, 1352605), (130, 1082084), (136, 1034345), (170, 827476), (221, 636520), (260, 541042), (340, 413738), (442, 318260), (520, 270521), (680, 206869), (884, 159130), (1105, 127304), (1768, 79565), (2210, 63652), (4420, 31826), (8840, 15913)]