4071258880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244667}}^1$

素因数の和:244701

約数の個数: 72

約数和(自身を含む): 10502129232

約数和(自身を除く): 6430870352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 244667, 489334, 978668, 1223335, 1957336, 2446670, 3180671, 3914672, 4893340, 6361342, 7829344, 9786680, 12722684, 15658688, 15903355, 19573360, 25445368, 31317376, 31806710, 39146720, 50890736, 62634752, 63613420, 78293440, 101781472, 127226840, 156586880, 203562944, 254453680, 313173760, 407125888, 508907360, 814251776, 1017814720, 2035629440, 4071258880]

約数ペア:

[(1, 4071258880), (2, 2035629440), (4, 1017814720), (5, 814251776), (8, 508907360), (10, 407125888), (13, 313173760), (16, 254453680), (20, 203562944), (26, 156586880), (32, 127226840), (40, 101781472), (52, 78293440), (64, 63613420), (65, 62634752), (80, 50890736), (104, 39146720), (128, 31806710), (130, 31317376), (160, 25445368), (208, 19573360), (256, 15903355), (260, 15658688), (320, 12722684), (416, 9786680), (520, 7829344), (640, 6361342), (832, 4893340), (1040, 3914672), (1280, 3180671), (1664, 2446670), (2080, 1957336), (3328, 1223335), (4160, 978668), (8320, 489334), (16640, 244667)]