17554940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 22452580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 251, 260, 269, 502, 538, 1004, 1076, 1255, 1345, 2510, 2690, 3263, 3497, 5020, 5380, 6526, 6994, 13052, 13988, 16315, 17485, 32630, 34970, 65260, 67519, 69940, 135038, 270076, 337595, 675190, 877747, 1350380, 1755494, 3510988, 4388735, 8777470, 17554940]

約数ペア:

[(1, 17554940), (2, 8777470), (4, 4388735), (5, 3510988), (10, 1755494), (13, 1350380), (20, 877747), (26, 675190), (52, 337595), (65, 270076), (130, 135038), (251, 69940), (260, 67519), (269, 65260), (502, 34970), (538, 32630), (1004, 17485), (1076, 16315), (1255, 13988), (1345, 13052), (2510, 6994), (2690, 6526), (3263, 5380), (3497, 5020)]