205385440

素因数分解:

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

素因数の和:5244

約数の個数: 96

約数和(自身を含む): 550156320

約数和(自身を除く): 344770880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4940, 5197, 7904, 9880, 10394, 19760, 20788, 25985, 39520, 41576, 51970, 67561, 83152, 98743, 103940, 135122, 166304, 197486, 207880, 270244, 337805, 394972, 415760, 493715, 540488, 675610, 789944, 831520, 987430, 1080976, 1283659, 1351220, 1579888, 1974860, 2161952, 2567318, 2702440, 3159776, 3949720, 5134636, 5404880, 6418295, 7899440, 10269272, 10809760, 12836590, 15798880, 20538544, 25673180, 41077088, 51346360, 102692720, 205385440]

約数ペア:

[(1, 205385440), (2, 102692720), (4, 51346360), (5, 41077088), (8, 25673180), (10, 20538544), (13, 15798880), (16, 12836590), (19, 10809760), (20, 10269272), (26, 7899440), (32, 6418295), (38, 5404880), (40, 5134636), (52, 3949720), (65, 3159776), (76, 2702440), (80, 2567318), (95, 2161952), (104, 1974860), (130, 1579888), (152, 1351220), (160, 1283659), (190, 1080976), (208, 987430), (247, 831520), (260, 789944), (304, 675610), (380, 540488), (416, 493715), (494, 415760), (520, 394972), (608, 337805), (760, 270244), (988, 207880), (1040, 197486), (1235, 166304), (1520, 135122), (1976, 103940), (2080, 98743), (2470, 83152), (3040, 67561), (3952, 51970), (4940, 41576), (5197, 39520), (7904, 25985), (9880, 20788), (10394, 19760)]