258408560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3593}}^1$

素因数の和:3666

約数の個数: 80

約数和(自身を含む): 641744640

約数和(自身を除く): 383336080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2320, 2480, 3593, 3596, 4495, 7186, 7192, 8990, 14372, 14384, 17965, 17980, 28744, 35930, 35960, 57488, 71860, 71920, 104197, 111383, 143720, 208394, 222766, 287440, 416788, 445532, 520985, 556915, 833576, 891064, 1041970, 1113830, 1667152, 1782128, 2083940, 2227660, 3230107, 4167880, 4455320, 6460214, 8335760, 8910640, 12920428, 16150535, 25840856, 32301070, 51681712, 64602140, 129204280, 258408560]

約数ペア:

[(1, 258408560), (2, 129204280), (4, 64602140), (5, 51681712), (8, 32301070), (10, 25840856), (16, 16150535), (20, 12920428), (29, 8910640), (31, 8335760), (40, 6460214), (58, 4455320), (62, 4167880), (80, 3230107), (116, 2227660), (124, 2083940), (145, 1782128), (155, 1667152), (232, 1113830), (248, 1041970), (290, 891064), (310, 833576), (464, 556915), (496, 520985), (580, 445532), (620, 416788), (899, 287440), (1160, 222766), (1240, 208394), (1798, 143720), (2320, 111383), (2480, 104197), (3593, 71920), (3596, 71860), (4495, 57488), (7186, 35960), (7192, 35930), (8990, 28744), (14372, 17980), (14384, 17965)]