4228640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 11430720

約数和(自身を除く): 7202080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 107, 130, 152, 160, 190, 208, 214, 247, 260, 304, 380, 416, 428, 494, 520, 535, 608, 760, 856, 988, 1040, 1070, 1235, 1391, 1520, 1712, 1976, 2033, 2080, 2140, 2470, 2782, 3040, 3424, 3952, 4066, 4280, 4940, 5564, 6955, 7904, 8132, 8560, 9880, 10165, 11128, 13910, 16264, 17120, 19760, 20330, 22256, 26429, 27820, 32528, 39520, 40660, 44512, 52858, 55640, 65056, 81320, 105716, 111280, 132145, 162640, 211432, 222560, 264290, 325280, 422864, 528580, 845728, 1057160, 2114320, 4228640]

約数ペア:

[(1, 4228640), (2, 2114320), (4, 1057160), (5, 845728), (8, 528580), (10, 422864), (13, 325280), (16, 264290), (19, 222560), (20, 211432), (26, 162640), (32, 132145), (38, 111280), (40, 105716), (52, 81320), (65, 65056), (76, 55640), (80, 52858), (95, 44512), (104, 40660), (107, 39520), (130, 32528), (152, 27820), (160, 26429), (190, 22256), (208, 20330), (214, 19760), (247, 17120), (260, 16264), (304, 13910), (380, 11128), (416, 10165), (428, 9880), (494, 8560), (520, 8132), (535, 7904), (608, 6955), (760, 5564), (856, 4940), (988, 4280), (1040, 4066), (1070, 3952), (1235, 3424), (1391, 3040), (1520, 2782), (1712, 2470), (1976, 2140), (2033, 2080)]