220806800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{17807}}^1$

素因数の和:17856

約数の個数: 60

約数和(自身を含む): 547631616

約数和(自身を除く): 326824816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 17807, 35614, 71228, 89035, 142456, 178070, 284912, 356140, 445175, 552017, 712280, 890350, 1104034, 1424560, 1780700, 2208068, 2760085, 3561400, 4416136, 5520170, 7122800, 8832272, 11040340, 13800425, 22080680, 27600850, 44161360, 55201700, 110403400, 220806800]

約数ペア:

[(1, 220806800), (2, 110403400), (4, 55201700), (5, 44161360), (8, 27600850), (10, 22080680), (16, 13800425), (20, 11040340), (25, 8832272), (31, 7122800), (40, 5520170), (50, 4416136), (62, 3561400), (80, 2760085), (100, 2208068), (124, 1780700), (155, 1424560), (200, 1104034), (248, 890350), (310, 712280), (400, 552017), (496, 445175), (620, 356140), (775, 284912), (1240, 178070), (1550, 142456), (2480, 89035), (3100, 71228), (6200, 35614), (12400, 17807)]