4878320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 60

約数和(自身を含む): 12105624

約数和(自身を除く): 7227304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 211, 272, 289, 340, 422, 578, 680, 844, 1055, 1156, 1360, 1445, 1688, 2110, 2312, 2890, 3376, 3587, 4220, 4624, 5780, 7174, 8440, 11560, 14348, 16880, 17935, 23120, 28696, 35870, 57392, 60979, 71740, 121958, 143480, 243916, 286960, 304895, 487832, 609790, 975664, 1219580, 2439160, 4878320]

約数ペア:

[(1, 4878320), (2, 2439160), (4, 1219580), (5, 975664), (8, 609790), (10, 487832), (16, 304895), (17, 286960), (20, 243916), (34, 143480), (40, 121958), (68, 71740), (80, 60979), (85, 57392), (136, 35870), (170, 28696), (211, 23120), (272, 17935), (289, 16880), (340, 14348), (422, 11560), (578, 8440), (680, 7174), (844, 5780), (1055, 4624), (1156, 4220), (1360, 3587), (1445, 3376), (1688, 2890), (2110, 2312)]