103836980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 243984384

約数和(自身を除く): 140147404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 991, 1612, 1690, 1982, 2015, 3380, 3964, 4030, 4955, 5239, 8060, 9910, 10478, 12883, 19820, 20956, 25766, 26195, 30721, 51532, 52390, 61442, 64415, 104780, 122884, 128830, 153605, 167479, 257660, 307210, 334958, 399373, 614420, 669916, 798746, 837395, 1597492, 1674790, 1996865, 3349580, 3993730, 5191849, 7987460, 10383698, 20767396, 25959245, 51918490, 103836980]

約数ペア:

[(1, 103836980), (2, 51918490), (4, 25959245), (5, 20767396), (10, 10383698), (13, 7987460), (20, 5191849), (26, 3993730), (31, 3349580), (52, 1996865), (62, 1674790), (65, 1597492), (124, 837395), (130, 798746), (155, 669916), (169, 614420), (260, 399373), (310, 334958), (338, 307210), (403, 257660), (620, 167479), (676, 153605), (806, 128830), (845, 122884), (991, 104780), (1612, 64415), (1690, 61442), (1982, 52390), (2015, 51532), (3380, 30721), (3964, 26195), (4030, 25766), (4955, 20956), (5239, 19820), (8060, 12883), (9910, 10478)]