40005558

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 90389520

約数和(自身を除く): 50383962

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 173, 174, 261, 346, 443, 519, 522, 886, 1038, 1329, 1557, 2658, 3114, 3987, 5017, 7974, 10034, 12847, 15051, 25694, 30102, 38541, 45153, 76639, 77082, 90306, 115623, 153278, 229917, 231246, 459834, 689751, 1379502, 2222531, 4445062, 6667593, 13335186, 20002779, 40005558]

約数ペア:

[(1, 40005558), (2, 20002779), (3, 13335186), (6, 6667593), (9, 4445062), (18, 2222531), (29, 1379502), (58, 689751), (87, 459834), (173, 231246), (174, 229917), (261, 153278), (346, 115623), (443, 90306), (519, 77082), (522, 76639), (886, 45153), (1038, 38541), (1329, 30102), (1557, 25694), (2658, 15051), (3114, 12847), (3987, 10034), (5017, 7974)]