23670440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 55242000

約数和(自身を除く): 31571560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 89, 109, 122, 178, 218, 244, 305, 356, 436, 445, 488, 545, 610, 712, 872, 890, 1090, 1220, 1780, 2180, 2440, 3560, 4360, 5429, 6649, 9701, 10858, 13298, 19402, 21716, 26596, 27145, 33245, 38804, 43432, 48505, 53192, 54290, 66490, 77608, 97010, 108580, 132980, 194020, 217160, 265960, 388040, 591761, 1183522, 2367044, 2958805, 4734088, 5917610, 11835220, 23670440]

約数ペア:

[(1, 23670440), (2, 11835220), (4, 5917610), (5, 4734088), (8, 2958805), (10, 2367044), (20, 1183522), (40, 591761), (61, 388040), (89, 265960), (109, 217160), (122, 194020), (178, 132980), (218, 108580), (244, 97010), (305, 77608), (356, 66490), (436, 54290), (445, 53192), (488, 48505), (545, 43432), (610, 38804), (712, 33245), (872, 27145), (890, 26596), (1090, 21716), (1220, 19402), (1780, 13298), (2180, 10858), (2440, 9701), (3560, 6649), (4360, 5429)]