11381320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 27216000

約数和(自身を除く): 15834680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 139, 178, 184, 230, 278, 356, 445, 460, 556, 695, 712, 890, 920, 1112, 1390, 1780, 2047, 2780, 3197, 3560, 4094, 5560, 6394, 8188, 10235, 12371, 12788, 15985, 16376, 20470, 24742, 25576, 31970, 40940, 49484, 61855, 63940, 81880, 98968, 123710, 127880, 247420, 284533, 494840, 569066, 1138132, 1422665, 2276264, 2845330, 5690660, 11381320]

約数ペア:

[(1, 11381320), (2, 5690660), (4, 2845330), (5, 2276264), (8, 1422665), (10, 1138132), (20, 569066), (23, 494840), (40, 284533), (46, 247420), (89, 127880), (92, 123710), (115, 98968), (139, 81880), (178, 63940), (184, 61855), (230, 49484), (278, 40940), (356, 31970), (445, 25576), (460, 24742), (556, 20470), (695, 16376), (712, 15985), (890, 12788), (920, 12371), (1112, 10235), (1390, 8188), (1780, 6394), (2047, 5560), (2780, 4094), (3197, 3560)]