38555560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 92433600

約数和(自身を除く): 53878040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 523, 760, 776, 970, 1046, 1843, 1940, 2092, 2615, 3686, 3880, 4184, 5230, 7372, 9215, 9937, 10460, 14744, 18430, 19874, 20920, 36860, 39748, 49685, 50731, 73720, 79496, 99370, 101462, 198740, 202924, 253655, 397480, 405848, 507310, 963889, 1014620, 1927778, 2029240, 3855556, 4819445, 7711112, 9638890, 19277780, 38555560]

約数ペア:

[(1, 38555560), (2, 19277780), (4, 9638890), (5, 7711112), (8, 4819445), (10, 3855556), (19, 2029240), (20, 1927778), (38, 1014620), (40, 963889), (76, 507310), (95, 405848), (97, 397480), (152, 253655), (190, 202924), (194, 198740), (380, 101462), (388, 99370), (485, 79496), (523, 73720), (760, 50731), (776, 49685), (970, 39748), (1046, 36860), (1843, 20920), (1940, 19874), (2092, 18430), (2615, 14744), (3686, 10460), (3880, 9937), (4184, 9215), (5230, 7372)]