80006420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:849

約数の個数: 96

約数和(自身を含む): 200164608

約数和(自身を除く): 120158188

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 299, 340, 391, 442, 460, 598, 782, 787, 884, 1105, 1196, 1495, 1564, 1574, 1955, 2210, 2990, 3148, 3910, 3935, 4420, 5083, 5980, 7820, 7870, 10166, 10231, 13379, 15740, 18101, 20332, 20462, 25415, 26758, 36202, 40924, 50830, 51155, 53516, 66895, 72404, 90505, 101660, 102310, 133790, 173927, 181010, 204620, 235313, 267580, 307717, 347854, 362020, 470626, 615434, 695708, 869635, 941252, 1176565, 1230868, 1538585, 1739270, 2353130, 3077170, 3478540, 4000321, 4706260, 6154340, 8000642, 16001284, 20001605, 40003210, 80006420]

約数ペア:

[(1, 80006420), (2, 40003210), (4, 20001605), (5, 16001284), (10, 8000642), (13, 6154340), (17, 4706260), (20, 4000321), (23, 3478540), (26, 3077170), (34, 2353130), (46, 1739270), (52, 1538585), (65, 1230868), (68, 1176565), (85, 941252), (92, 869635), (115, 695708), (130, 615434), (170, 470626), (221, 362020), (230, 347854), (260, 307717), (299, 267580), (340, 235313), (391, 204620), (442, 181010), (460, 173927), (598, 133790), (782, 102310), (787, 101660), (884, 90505), (1105, 72404), (1196, 66895), (1495, 53516), (1564, 51155), (1574, 50830), (1955, 40924), (2210, 36202), (2990, 26758), (3148, 25415), (3910, 20462), (3935, 20332), (4420, 18101), (5083, 15740), (5980, 13379), (7820, 10231), (7870, 10166)]