18053750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:147

約数の個数: 80

約数和(自身を含む): 40149648

約数和(自身を除く): 22095898

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 101, 110, 125, 130, 143, 202, 250, 275, 286, 325, 505, 550, 625, 650, 715, 1010, 1111, 1250, 1313, 1375, 1430, 1625, 2222, 2525, 2626, 2750, 3250, 3575, 5050, 5555, 6565, 6875, 7150, 8125, 11110, 12625, 13130, 13750, 14443, 16250, 17875, 25250, 27775, 28886, 32825, 35750, 55550, 63125, 65650, 72215, 89375, 126250, 138875, 144430, 164125, 178750, 277750, 328250, 361075, 694375, 722150, 820625, 1388750, 1641250, 1805375, 3610750, 9026875, 18053750]

約数ペア:

[(1, 18053750), (2, 9026875), (5, 3610750), (10, 1805375), (11, 1641250), (13, 1388750), (22, 820625), (25, 722150), (26, 694375), (50, 361075), (55, 328250), (65, 277750), (101, 178750), (110, 164125), (125, 144430), (130, 138875), (143, 126250), (202, 89375), (250, 72215), (275, 65650), (286, 63125), (325, 55550), (505, 35750), (550, 32825), (625, 28886), (650, 27775), (715, 25250), (1010, 17875), (1111, 16250), (1250, 14443), (1313, 13750), (1375, 13130), (1430, 12625), (1625, 11110), (2222, 8125), (2525, 7150), (2626, 6875), (2750, 6565), (3250, 5555), (3575, 5050)]