20100340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{797}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 45983952

約数和(自身を除く): 25883612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 797, 970, 1261, 1594, 1940, 2522, 3188, 3985, 5044, 6305, 7970, 10361, 12610, 15940, 20722, 25220, 41444, 51805, 77309, 103610, 154618, 207220, 309236, 386545, 773090, 1005017, 1546180, 2010034, 4020068, 5025085, 10050170, 20100340]

約数ペア:

[(1, 20100340), (2, 10050170), (4, 5025085), (5, 4020068), (10, 2010034), (13, 1546180), (20, 1005017), (26, 773090), (52, 386545), (65, 309236), (97, 207220), (130, 154618), (194, 103610), (260, 77309), (388, 51805), (485, 41444), (797, 25220), (970, 20722), (1261, 15940), (1594, 12610), (1940, 10361), (2522, 7970), (3188, 6305), (3985, 5044)]