2563885220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1907}}^1\times {\mathrm{5171}}^1$

素因数の和:7100

約数の個数: 48

約数和(自身を含む): 5802487488

約数和(自身を除く): 3238602268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1907, 3814, 5171, 7628, 9535, 10342, 19070, 20684, 24791, 25855, 38140, 49582, 51710, 67223, 99164, 103420, 123955, 134446, 247910, 268892, 336115, 495820, 672230, 1344460, 9861097, 19722194, 39444388, 49305485, 98610970, 128194261, 197221940, 256388522, 512777044, 640971305, 1281942610, 2563885220]

約数ペア:

[(1, 2563885220), (2, 1281942610), (4, 640971305), (5, 512777044), (10, 256388522), (13, 197221940), (20, 128194261), (26, 98610970), (52, 49305485), (65, 39444388), (130, 19722194), (260, 9861097), (1907, 1344460), (3814, 672230), (5171, 495820), (7628, 336115), (9535, 268892), (10342, 247910), (19070, 134446), (20684, 123955), (24791, 103420), (25855, 99164), (38140, 67223), (49582, 51710)]