20171198380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1\times {\mathrm{40801}}^1$

素因数の和:42130

約数の個数: 48

約数和(自身を含む): 44624331360

約数和(自身を除く): 24453132980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1301, 2602, 5204, 6505, 13010, 24719, 26020, 40801, 49438, 81602, 98876, 123595, 163204, 204005, 247190, 408010, 494380, 775219, 816020, 1550438, 3100876, 3876095, 7752190, 15504380, 53082101, 106164202, 212328404, 265410505, 530821010, 1008559919, 1061642020, 2017119838, 4034239676, 5042799595, 10085599190, 20171198380]

約数ペア:

[(1, 20171198380), (2, 10085599190), (4, 5042799595), (5, 4034239676), (10, 2017119838), (19, 1061642020), (20, 1008559919), (38, 530821010), (76, 265410505), (95, 212328404), (190, 106164202), (380, 53082101), (1301, 15504380), (2602, 7752190), (5204, 3876095), (6505, 3100876), (13010, 1550438), (24719, 816020), (26020, 775219), (40801, 494380), (49438, 408010), (81602, 247190), (98876, 204005), (123595, 163204)]