48578140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{727}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 110440512

約数和(自身を除く): 61862372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 727, 1028, 1285, 1454, 2570, 2908, 3341, 3635, 5140, 6682, 7270, 9451, 13364, 14540, 16705, 18902, 33410, 37804, 47255, 66820, 94510, 186839, 189020, 373678, 747356, 934195, 1868390, 2428907, 3736780, 4857814, 9715628, 12144535, 24289070, 48578140]

約数ペア:

[(1, 48578140), (2, 24289070), (4, 12144535), (5, 9715628), (10, 4857814), (13, 3736780), (20, 2428907), (26, 1868390), (52, 934195), (65, 747356), (130, 373678), (257, 189020), (260, 186839), (514, 94510), (727, 66820), (1028, 47255), (1285, 37804), (1454, 33410), (2570, 18902), (2908, 16705), (3341, 14540), (3635, 13364), (5140, 9451), (6682, 7270)]