26480220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 96

約数和(自身を含む): 84587328

約数和(自身を除く): 58107108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 1997, 2210, 2652, 3315, 3994, 4420, 5991, 6630, 7988, 9985, 11982, 13260, 19970, 23964, 25961, 29955, 33949, 39940, 51922, 59910, 67898, 77883, 101847, 103844, 119820, 129805, 135796, 155766, 169745, 203694, 259610, 311532, 339490, 389415, 407388, 441337, 509235, 519220, 678980, 778830, 882674, 1018470, 1324011, 1557660, 1765348, 2036940, 2206685, 2648022, 4413370, 5296044, 6620055, 8826740, 13240110, 26480220]

約数ペア:

[(1, 26480220), (2, 13240110), (3, 8826740), (4, 6620055), (5, 5296044), (6, 4413370), (10, 2648022), (12, 2206685), (13, 2036940), (15, 1765348), (17, 1557660), (20, 1324011), (26, 1018470), (30, 882674), (34, 778830), (39, 678980), (51, 519220), (52, 509235), (60, 441337), (65, 407388), (68, 389415), (78, 339490), (85, 311532), (102, 259610), (130, 203694), (156, 169745), (170, 155766), (195, 135796), (204, 129805), (221, 119820), (255, 103844), (260, 101847), (340, 77883), (390, 67898), (442, 59910), (510, 51922), (663, 39940), (780, 33949), (884, 29955), (1020, 25961), (1105, 23964), (1326, 19970), (1997, 13260), (2210, 11982), (2652, 9985), (3315, 7988), (3994, 6630), (4420, 5991)]