25673180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5197}}^1$

素因数の和:5238

約数の個数: 48

約数和(自身を含む): 61128480

約数和(自身を除く): 35455300

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, 5197, 10394, 20788, 25985, 51970, 67561, 98743, 103940, 135122, 197486, 270244, 337805, 394972, 493715, 675610, 987430, 1283659, 1351220, 1974860, 2567318, 5134636, 6418295, 12836590, 25673180]

約数ペア:

[(1, 25673180), (2, 12836590), (4, 6418295), (5, 5134636), (10, 2567318), (13, 1974860), (19, 1351220), (20, 1283659), (26, 987430), (38, 675610), (52, 493715), (65, 394972), (76, 337805), (95, 270244), (130, 197486), (190, 135122), (247, 103940), (260, 98743), (380, 67561), (494, 51970), (988, 25985), (1235, 20788), (2470, 10394), (4940, 5197)]