42256240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1058

約数の個数: 80

約数和(自身を含む): 108493056

約数和(自身を除く): 66236816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 991, 1040, 1066, 1640, 1982, 2132, 2665, 3280, 3964, 4264, 4955, 5330, 7928, 8528, 9910, 10660, 12883, 15856, 19820, 21320, 25766, 39640, 40631, 42640, 51532, 64415, 79280, 81262, 103064, 128830, 162524, 203155, 206128, 257660, 325048, 406310, 515320, 528203, 650096, 812620, 1030640, 1056406, 1625240, 2112812, 2641015, 3250480, 4225624, 5282030, 8451248, 10564060, 21128120, 42256240]

約数ペア:

[(1, 42256240), (2, 21128120), (4, 10564060), (5, 8451248), (8, 5282030), (10, 4225624), (13, 3250480), (16, 2641015), (20, 2112812), (26, 1625240), (40, 1056406), (41, 1030640), (52, 812620), (65, 650096), (80, 528203), (82, 515320), (104, 406310), (130, 325048), (164, 257660), (205, 206128), (208, 203155), (260, 162524), (328, 128830), (410, 103064), (520, 81262), (533, 79280), (656, 64415), (820, 51532), (991, 42640), (1040, 40631), (1066, 39640), (1640, 25766), (1982, 21320), (2132, 19820), (2665, 15856), (3280, 12883), (3964, 10660), (4264, 9910), (4955, 8528), (5330, 7928)]