4080440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:109

約数の個数: 128

約数和(自身を含む): 12096000

約数和(自身を除く): 8015560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 59, 65, 70, 76, 91, 95, 104, 118, 130, 133, 140, 152, 182, 190, 236, 247, 260, 266, 280, 295, 364, 380, 413, 455, 472, 494, 520, 532, 590, 665, 728, 760, 767, 826, 910, 988, 1064, 1121, 1180, 1235, 1330, 1534, 1652, 1729, 1820, 1976, 2065, 2242, 2360, 2470, 2660, 3068, 3304, 3458, 3640, 3835, 4130, 4484, 4940, 5320, 5369, 5605, 6136, 6916, 7670, 7847, 8260, 8645, 8968, 9880, 10738, 11210, 13832, 14573, 15340, 15694, 16520, 17290, 21476, 22420, 26845, 29146, 30680, 31388, 34580, 39235, 42952, 44840, 53690, 58292, 62776, 69160, 72865, 78470, 102011, 107380, 116584, 145730, 156940, 204022, 214760, 291460, 313880, 408044, 510055, 582920, 816088, 1020110, 2040220, 4080440]

約数ペア:

[(1, 4080440), (2, 2040220), (4, 1020110), (5, 816088), (7, 582920), (8, 510055), (10, 408044), (13, 313880), (14, 291460), (19, 214760), (20, 204022), (26, 156940), (28, 145730), (35, 116584), (38, 107380), (40, 102011), (52, 78470), (56, 72865), (59, 69160), (65, 62776), (70, 58292), (76, 53690), (91, 44840), (95, 42952), (104, 39235), (118, 34580), (130, 31388), (133, 30680), (140, 29146), (152, 26845), (182, 22420), (190, 21476), (236, 17290), (247, 16520), (260, 15694), (266, 15340), (280, 14573), (295, 13832), (364, 11210), (380, 10738), (413, 9880), (455, 8968), (472, 8645), (494, 8260), (520, 7847), (532, 7670), (590, 6916), (665, 6136), (728, 5605), (760, 5369), (767, 5320), (826, 4940), (910, 4484), (988, 4130), (1064, 3835), (1121, 3640), (1180, 3458), (1235, 3304), (1330, 3068), (1534, 2660), (1652, 2470), (1729, 2360), (1820, 2242), (1976, 2065)]