77859340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15761}}^1$

素因数の和:15802

約数の個数: 48

約数和(自身を含む): 185361120

約数和(自身を除く): 107501780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 15761, 31522, 63044, 78805, 157610, 204893, 299459, 315220, 409786, 598918, 819572, 1024465, 1197836, 1497295, 2048930, 2994590, 3892967, 4097860, 5989180, 7785934, 15571868, 19464835, 38929670, 77859340]

約数ペア:

[(1, 77859340), (2, 38929670), (4, 19464835), (5, 15571868), (10, 7785934), (13, 5989180), (19, 4097860), (20, 3892967), (26, 2994590), (38, 2048930), (52, 1497295), (65, 1197836), (76, 1024465), (95, 819572), (130, 598918), (190, 409786), (247, 315220), (260, 299459), (380, 204893), (494, 157610), (988, 78805), (1235, 63044), (2470, 31522), (4940, 15761)]