20889471520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1433}}^1\times {\mathrm{2939}}^1$

素因数の和:4418

約数の個数: 96

約数和(自身を含む): 50996252160

約数和(自身を除く): 30106780640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 1433, 2480, 2866, 2939, 4960, 5732, 5878, 7165, 11464, 11756, 14330, 14695, 22928, 23512, 28660, 29390, 44423, 45856, 47024, 57320, 58780, 88846, 91109, 94048, 114640, 117560, 177692, 182218, 222115, 229280, 235120, 355384, 364436, 444230, 455545, 470240, 710768, 728872, 888460, 911090, 1421536, 1457744, 1776920, 1822180, 2915488, 3553840, 3644360, 4211587, 7107680, 7288720, 8423174, 14577440, 16846348, 21057935, 33692696, 42115870, 67385392, 84231740, 130559197, 134770784, 168463480, 261118394, 336926960, 522236788, 652795985, 673853920, 1044473576, 1305591970, 2088947152, 2611183940, 4177894304, 5222367880, 10444735760, 20889471520]

約数ペア:

[(1, 20889471520), (2, 10444735760), (4, 5222367880), (5, 4177894304), (8, 2611183940), (10, 2088947152), (16, 1305591970), (20, 1044473576), (31, 673853920), (32, 652795985), (40, 522236788), (62, 336926960), (80, 261118394), (124, 168463480), (155, 134770784), (160, 130559197), (248, 84231740), (310, 67385392), (496, 42115870), (620, 33692696), (992, 21057935), (1240, 16846348), (1433, 14577440), (2480, 8423174), (2866, 7288720), (2939, 7107680), (4960, 4211587), (5732, 3644360), (5878, 3553840), (7165, 2915488), (11464, 1822180), (11756, 1776920), (14330, 1457744), (14695, 1421536), (22928, 911090), (23512, 888460), (28660, 728872), (29390, 710768), (44423, 470240), (45856, 455545), (47024, 444230), (57320, 364436), (58780, 355384), (88846, 235120), (91109, 229280), (94048, 222115), (114640, 182218), (117560, 177692)]