17826640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 45528336

約数和(自身を除く): 27701696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 281, 305, 488, 520, 562, 610, 793, 976, 1040, 1124, 1220, 1405, 1586, 2248, 2440, 2810, 3172, 3653, 3965, 4496, 4880, 5620, 6344, 7306, 7930, 11240, 12688, 14612, 15860, 17141, 18265, 22480, 29224, 31720, 34282, 36530, 58448, 63440, 68564, 73060, 85705, 137128, 146120, 171410, 222833, 274256, 292240, 342820, 445666, 685640, 891332, 1114165, 1371280, 1782664, 2228330, 3565328, 4456660, 8913320, 17826640]

約数ペア:

[(1, 17826640), (2, 8913320), (4, 4456660), (5, 3565328), (8, 2228330), (10, 1782664), (13, 1371280), (16, 1114165), (20, 891332), (26, 685640), (40, 445666), (52, 342820), (61, 292240), (65, 274256), (80, 222833), (104, 171410), (122, 146120), (130, 137128), (208, 85705), (244, 73060), (260, 68564), (281, 63440), (305, 58448), (488, 36530), (520, 34282), (562, 31720), (610, 29224), (793, 22480), (976, 18265), (1040, 17141), (1124, 15860), (1220, 14612), (1405, 12688), (1586, 11240), (2248, 7930), (2440, 7306), (2810, 6344), (3172, 5620), (3653, 4880), (3965, 4496)]