55981660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12899}}^1$

素因数の和:12946

約数の個数: 48

約数和(自身を含む): 138700800

約数和(自身を除く): 82719140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 12899, 25798, 51596, 64495, 90293, 128990, 180586, 257980, 361172, 399869, 451465, 799738, 902930, 1599476, 1805860, 1999345, 2799083, 3998690, 5598166, 7997380, 11196332, 13995415, 27990830, 55981660]

約数ペア:

[(1, 55981660), (2, 27990830), (4, 13995415), (5, 11196332), (7, 7997380), (10, 5598166), (14, 3998690), (20, 2799083), (28, 1999345), (31, 1805860), (35, 1599476), (62, 902930), (70, 799738), (124, 451465), (140, 399869), (155, 361172), (217, 257980), (310, 180586), (434, 128990), (620, 90293), (868, 64495), (1085, 51596), (2170, 25798), (4340, 12899)]