80139796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 162106560

約数和(自身を除く): 81966764

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 257, 373, 418, 514, 746, 836, 1028, 1492, 2827, 4103, 4883, 5654, 7087, 8206, 9766, 11308, 14174, 16412, 19532, 28348, 53713, 77957, 95861, 107426, 155914, 191722, 214852, 311828, 383444, 1054471, 1821359, 2108942, 3642718, 4217884, 7285436, 20034949, 40069898, 80139796]

約数ペア:

[(1, 80139796), (2, 40069898), (4, 20034949), (11, 7285436), (19, 4217884), (22, 3642718), (38, 2108942), (44, 1821359), (76, 1054471), (209, 383444), (257, 311828), (373, 214852), (418, 191722), (514, 155914), (746, 107426), (836, 95861), (1028, 77957), (1492, 53713), (2827, 28348), (4103, 19532), (4883, 16412), (5654, 14174), (7087, 11308), (8206, 9766)]