39842075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 61829376

約数和(自身を除く): 21987301

約数列:

[1, 5, 7, 13, 25, 35, 65, 83, 91, 175, 211, 325, 415, 455, 581, 1055, 1079, 1477, 2075, 2275, 2743, 2905, 5275, 5395, 7385, 7553, 13715, 14525, 17513, 19201, 26975, 36925, 37765, 68575, 87565, 96005, 122591, 188825, 227669, 437825, 480025, 612955, 1138345, 1593683, 3064775, 5691725, 7968415, 39842075]

約数ペア:

[(1, 39842075), (5, 7968415), (7, 5691725), (13, 3064775), (25, 1593683), (35, 1138345), (65, 612955), (83, 480025), (91, 437825), (175, 227669), (211, 188825), (325, 122591), (415, 96005), (455, 87565), (581, 68575), (1055, 37765), (1079, 36925), (1477, 26975), (2075, 19201), (2275, 17513), (2743, 14525), (2905, 13715), (5275, 7553), (5395, 7385)]