88789220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 204601320

約数和(自身を除く): 115812100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 169, 218, 241, 260, 338, 436, 482, 545, 676, 845, 964, 1090, 1205, 1417, 1690, 2180, 2410, 2834, 3133, 3380, 4820, 5668, 6266, 7085, 12532, 14170, 15665, 18421, 26269, 28340, 31330, 36842, 40729, 52538, 62660, 73684, 81458, 92105, 105076, 131345, 162916, 184210, 203645, 262690, 341497, 368420, 407290, 525380, 682994, 814580, 1365988, 1707485, 3414970, 4439461, 6829940, 8878922, 17757844, 22197305, 44394610, 88789220]

約数ペア:

[(1, 88789220), (2, 44394610), (4, 22197305), (5, 17757844), (10, 8878922), (13, 6829940), (20, 4439461), (26, 3414970), (52, 1707485), (65, 1365988), (109, 814580), (130, 682994), (169, 525380), (218, 407290), (241, 368420), (260, 341497), (338, 262690), (436, 203645), (482, 184210), (545, 162916), (676, 131345), (845, 105076), (964, 92105), (1090, 81458), (1205, 73684), (1417, 62660), (1690, 52538), (2180, 40729), (2410, 36842), (2834, 31330), (3133, 28340), (3380, 26269), (4820, 18421), (5668, 15665), (6266, 14170), (7085, 12532)]