17263220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 39664128

約数和(自身を除く): 22400908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 991, 1340, 1742, 1982, 3484, 3964, 4355, 4955, 8710, 9910, 12883, 17420, 19820, 25766, 51532, 64415, 66397, 128830, 132794, 257660, 265588, 331985, 663970, 863161, 1327940, 1726322, 3452644, 4315805, 8631610, 17263220]

約数ペア:

[(1, 17263220), (2, 8631610), (4, 4315805), (5, 3452644), (10, 1726322), (13, 1327940), (20, 863161), (26, 663970), (52, 331985), (65, 265588), (67, 257660), (130, 132794), (134, 128830), (260, 66397), (268, 64415), (335, 51532), (670, 25766), (871, 19820), (991, 17420), (1340, 12883), (1742, 9910), (1982, 8710), (3484, 4955), (3964, 4355)]