40904916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{997}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 103281024

約数和(自身を除く): 62376108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 263, 526, 789, 997, 1052, 1578, 1994, 2991, 3156, 3419, 3988, 5982, 6838, 10257, 11964, 12961, 13676, 20514, 25922, 38883, 41028, 51844, 77766, 155532, 262211, 524422, 786633, 1048844, 1573266, 3146532, 3408743, 6817486, 10226229, 13634972, 20452458, 40904916]

約数ペア:

[(1, 40904916), (2, 20452458), (3, 13634972), (4, 10226229), (6, 6817486), (12, 3408743), (13, 3146532), (26, 1573266), (39, 1048844), (52, 786633), (78, 524422), (156, 262211), (263, 155532), (526, 77766), (789, 51844), (997, 41028), (1052, 38883), (1578, 25922), (1994, 20514), (2991, 13676), (3156, 12961), (3419, 11964), (3988, 10257), (5982, 6838)]